| Year | Won | Margin | Democratic | Republican | Total |
|---|---|---|---|---|---|
| 2024 | D | 1,907,973 | 1,736,659 | 3,693,710 | |
| 2020 | D | 1,839,971 | 1,604,113 | 3,489,128 | |
| 2016 | D | 1,366,381 | 1,360,706 | 2,865,533 | |
| 2012 | R | 1,221,418 | 1,378,429 | 2,640,951 | |
| 2008 | R | 1,280,929 | 1,345,743 | 2,650,070 | |
| 2004 | R | 924,187 | 1,260,277 | 2,202,527 | |
| 2000 | R | 728,683 | 915,935 | 1,695,365 | |
| 1996 | R | 663,306 | 698,783 | 1,466,801 | |
| 1992 | R | 623,392 | 632,739 | 1,453,527 | |
| 1988 | R | 428,728 | 669,147 | 1,105,493 | |
| 1984 | R | 392,925 | 645,894 | 1,039,101 | |
| 1980 | D | 488,293 | 386,530 | 912,595 | |
| 1976 | D | 536,054 | 285,872 | 822,215 | |
| 1972 | R | 171,166 | 478,624 | 649,966 | |
| 1968 | O | 186,143 | 229,361 | 652,272 | |
| 1964 | D | 294,543 | 277,377 | 574,568 | |
| 1960 | D | 231,622 | 149,111 | 380,770 | |
| 1956 | D | 223,717 | 118,588 | 342,338 | |
| 1952 | D | 222,858 | 99,599 | 322,469 | |
| 1948 | D | 128,405 | 45,814 | 199,863 | |
| 1944 | D | 137,097 | 33,813 | 170,965 | |
| 1940 | D | 130,505 | 28,689 | 159,690 | |
| 1936 | D | 120,215 | 25,101 | 145,643 | |
| 1932 | D | 109,167 | 14,373 | 124,368 | |
| 1928 | R | 55,685 | 55,712 | 111,399 | |
| 1924 | D | 52,838 | 20,313 | 79,016 | |
| 1920 | D | 48,065 | 29,608 | 77,684 | |
| 1916 | D | 57,417 | 8,386 | 78,126 | |
| 1912 | D | 41,329 | 2,958 | 59,390 | |
| 1908 | D | 29,790 | 21,077 | 57,480 | |
| 1904 | D | 39,712 | 14,508 | 66,499 | |
| 1900 | D | 38,049 | 19,520 | 60,562 | |
| 1896 | D | 44,889 | 29,907 | 77,832 | |
| 1892 | D | 53,679 | 20,849 | 94,105 | |
| 1888 | D | 1,963 | 1,009 | 2,983 | |
| 1884 | D | 1,884 | 1,118 | 3,011 | |
| 1880 | D | 1,736 | 603 | 2,339 | |
| 1876 | D | 2,231 | 1,084 | 3,315 |
The Atlanta media market spans rapidly diversifying suburbs that have shifted competitive in recent cycles, making it a focal point for statewide campaigns in Georgia. Gwinnett, Cobb, and DeKalb anchor a region where population growth consistently outpaces voter-registration updates.
The Democratic margin in Atlanta has rarely exceeded seventy-six points in modern history; the Republican margin has rarely exceeded forty-seven points. 2024 delivered the county to the Democratic candidate by five points.
Atlanta's demographics resemble the country more than they resemble most counties. A 49% non-Hispanic-white share, a 12% poverty rate, and a median household income of $87,711 — all within the broad national range.